Science

Saturday, 17 October 2026
13 facts about tears
13 facts about tears
Multipurpose liquid
Associated with emotions, tears are a product of lacrimal glands, found in the eyes of most terrestrial vertebrates. Although their primary function i ...

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Ganymede
The surface of Ganymede is geologically very diverse.
On its surface, there are both geologically young areas and much older, darker, and covered with many craters.
Ganymede
Ganymede's core is composed of iron, which may be partially liquid and is surrounded by a thick mantle made of silicates.
Titan
Rains of liquid organic compounds, mainly methane, fall to the surface of the moon from clouds consisting of methane and ethane.
Typically, cloud cover does not exceed 1% of the moon's surface, but periodically it can increase up ...
Graphene
The Koreans are currently the most advanced in the industrial production of graphene.
Graphene can be used to produce new types of screens (touch or liquid crystal), solar panels, and co ...
Silver
Silver is a chemical element with the symbol Ag, belonging to the group of transition metals (gold, platinum) in the periodic table.
The Latin name for silver is argentum.
Liver
A healthy liver is essential for the brain to function correctly.
It is thanks to the fact that the liver controls the levels of ammonia and regulates plasma glucose ...
Moon
Despite its synchronous rotation, the Moon is constantly tilted to one side or the other.
Such deviations are called librations and thanks to them it is possible to observe as much as 59 percent of the surface of the silver globe from Earth.
Amber
Amber comes in various shapes and a wide range of shades.
Shapes resemble raindrops, rods, or lenses, and vary in shades of yellow, red, orange, brown, and even white opaque. Approximately 300 colors have been cataloged up to this day.
Fungi
Fungi have developed a high degree of metabolic versatility, which allows them to use a variety of organic substances for growth.
In some species, the pigment melanin may play a role in extracting energy from ionizing radiation such as gamma radiation.
Moon
The Moon moves around the Earth in an ellipse with an eccentricity of 0.0554, therefore its distance from the Earth varies from 363.104 km to 405.696 km.
The moment of maximum approach to the Earth is called perigee and the moment of greatest distance is called apogee.